Lines Matching refs:psc_dma
32 struct psc_dma *psc_dma = _psc_dma;
33 struct mpc52xx_psc __iomem *regs = psc_dma->psc_regs;
39 if (psc_dma->playback.active && (isr & MPC52xx_PSC_IMR_TXEMP))
40 psc_dma->stats.underrun_count++;
43 if (psc_dma->capture.active && (isr & MPC52xx_PSC_IMR_ORERR))
44 psc_dma->stats.overrun_count++;
80 spin_lock(&s->psc_dma->lock);
91 spin_unlock(&s->psc_dma->lock);
114 struct psc_dma *psc_dma = snd_soc_dai_get_drvdata(snd_soc_rtd_to_cpu(rtd, 0));
116 struct psc_dma_stream *s = to_psc_dma_stream(substream, psc_dma);
117 struct mpc52xx_psc __iomem *regs = psc_dma->psc_regs;
124 dev_dbg(psc_dma->dev, "START: stream=%i fbits=%u ps=%u #p=%u\n",
138 spin_lock_irqsave(&psc_dma->lock, flags);
150 spin_unlock_irqrestore(&psc_dma->lock, flags);
157 dev_dbg(psc_dma->dev, "STOP: stream=%i periods_count=%i\n",
161 spin_lock_irqsave(&psc_dma->lock, flags);
167 spin_unlock_irqrestore(&psc_dma->lock, flags);
172 dev_dbg(psc_dma->dev, "unhandled trigger: stream=%i cmd=%i\n",
179 if (psc_dma->playback.active)
181 if (psc_dma->capture.active)
183 out_be16(®s->isr_imr.imr, psc_dma->imr | imr);
216 struct psc_dma *psc_dma = snd_soc_dai_get_drvdata(snd_soc_rtd_to_cpu(rtd, 0));
220 dev_dbg(psc_dma->dev, "psc_dma_open(substream=%p)\n", substream);
223 s = &psc_dma->capture;
225 s = &psc_dma->playback;
244 struct psc_dma *psc_dma = snd_soc_dai_get_drvdata(snd_soc_rtd_to_cpu(rtd, 0));
247 dev_dbg(psc_dma->dev, "psc_dma_close(substream=%p)\n", substream);
250 s = &psc_dma->capture;
252 s = &psc_dma->playback;
254 if (!psc_dma->playback.active &&
255 !psc_dma->capture.active) {
258 out_be16(&psc_dma->psc_regs->isr_imr.imr, psc_dma->imr);
259 out_8(&psc_dma->psc_regs->command, 4 << 4); /* reset error */
270 struct psc_dma *psc_dma = snd_soc_dai_get_drvdata(snd_soc_rtd_to_cpu(rtd, 0));
275 s = &psc_dma->capture;
277 s = &psc_dma->playback;
316 struct psc_dma *psc_dma;
336 psc_dma = kzalloc(sizeof *psc_dma, GFP_KERNEL);
337 if (!psc_dma) {
349 spin_lock_init(&psc_dma->lock);
350 mutex_init(&psc_dma->mutex);
351 psc_dma->id = be32_to_cpu(*prop);
352 psc_dma->irq = irq;
353 psc_dma->psc_regs = regs;
354 psc_dma->fifo_regs = regs + sizeof *psc_dma->psc_regs;
355 psc_dma->dev = &op->dev;
356 psc_dma->playback.psc_dma = psc_dma;
357 psc_dma->capture.psc_dma = psc_dma;
358 snprintf(psc_dma->name, sizeof(psc_dma->name), "PSC%d", psc_dma->id);
363 psc_dma->capture.bcom_task =
364 bcom_psc_gen_bd_rx_init(psc_dma->id, 10, fifo, 512);
365 psc_dma->playback.bcom_task =
366 bcom_psc_gen_bd_tx_init(psc_dma->id, 10, fifo);
367 if (!psc_dma->capture.bcom_task ||
368 !psc_dma->playback.bcom_task) {
375 out_be16(&psc_dma->psc_regs->isr_imr.imr, psc_dma->imr);
377 out_8(&psc_dma->psc_regs->command, MPC52xx_PSC_RST_RX);
379 out_8(&psc_dma->psc_regs->command, MPC52xx_PSC_RST_TX);
381 out_8(&psc_dma->psc_regs->command, MPC52xx_PSC_RST_ERR_STAT);
383 out_8(&psc_dma->psc_regs->command, MPC52xx_PSC_SEL_MODE_REG_1);
389 out_8(&psc_dma->psc_regs->mode, 0);
390 out_8(&psc_dma->psc_regs->mode, 0);
393 out_be16(&psc_dma->fifo_regs->rfalarm, 0x100);
394 out_8(&psc_dma->fifo_regs->rfcntl, 0x4);
395 out_be16(&psc_dma->fifo_regs->tfalarm, 0x100);
396 out_8(&psc_dma->fifo_regs->tfcntl, 0x7);
399 psc_dma->playback.irq =
400 bcom_get_task_irq(psc_dma->playback.bcom_task);
401 psc_dma->capture.irq =
402 bcom_get_task_irq(psc_dma->capture.bcom_task);
404 rc = request_irq(psc_dma->irq, &psc_dma_status_irq, IRQF_SHARED,
405 "psc-dma-status", psc_dma);
406 rc |= request_irq(psc_dma->capture.irq, &psc_dma_bcom_irq, IRQF_SHARED,
407 "psc-dma-capture", &psc_dma->capture);
408 rc |= request_irq(psc_dma->playback.irq, &psc_dma_bcom_irq, IRQF_SHARED,
409 "psc-dma-playback", &psc_dma->playback);
416 dev_set_drvdata(&op->dev, psc_dma);
422 free_irq(psc_dma->irq, psc_dma);
423 free_irq(psc_dma->capture.irq, &psc_dma->capture);
424 free_irq(psc_dma->playback.irq, &psc_dma->playback);
426 kfree(psc_dma);
435 struct psc_dma *psc_dma = dev_get_drvdata(&op->dev);
439 bcom_gen_bd_rx_release(psc_dma->capture.bcom_task);
440 bcom_gen_bd_tx_release(psc_dma->playback.bcom_task);
443 free_irq(psc_dma->irq, psc_dma);
444 free_irq(psc_dma->capture.irq, &psc_dma->capture);
445 free_irq(psc_dma->playback.irq, &psc_dma->playback);
447 iounmap(psc_dma->psc_regs);
448 kfree(psc_dma);